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util.c

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  • Forked from Reform / reform-boundary-uboot
    10102 commits behind the upstream repository.
    • Masahiro Yamada's avatar
      9b5f0b1d
      kconfig: sync with Linux 4.1 · 9b5f0b1d
      Masahiro Yamada authored
      
      Update the files under scripts/kconfig/ to match Linux 4.1.
      Some Kconfig sources have diverged from those in the kernel,
      so commit-base syncing was done not to lose U-Boot specific updates.
      
      The commits cherry-picked from Linux are:
      
      [1] commit be8af2d54a66911693eddc556e4f7a866670082b
          Author: Bjørn Forsman <bjorn.forsman@gmail.com>
          kconfig/lxdialog: get ncurses CFLAGS with pkg-config
      
      [2] commit 3943f42c11896ce82ad3da132c8a5630313bdd0e
          Author: Andrey Utkin <andrey.krieger.utkin@gmail.com>
          Replace mentions of "list_struct" to "list_head"
      
      [3] commit e4e458b45c5861808674eebfea94cee2258bb2ea
          Author: Arjun Sreedharan <arjun024@gmail.com>
          calloc/xcalloc: Fix argument order
      
      [4] commit 09950bc256e3628d275f90e016e6f5a039fbdcab
          Author: Olof Johansson <olof@lixom.net>
          merge_config.sh: Display usage if given too few arguments
      
      [5] commit b6a2ab2cd4739a9573ed41677e53171987b8da34
          Author: Colin Ian King <colin.king@canonical.com>
          kconfig: use va_end to match corresponding va_start
      
      [6] commit 70529b1a1784503169416df19ce3d68746401340
          Author: Michal Marek <mmarek@suse.cz>
          kconfig: Get rid of the P() macro in headers
      
      [7] commit 463157444e377bf9b279101b1f16a94c4648c03a
          Author: Michal Marek <mmarek@suse.cz>
          kconfig: Remove dead code
      
      [8] commit ad8d40cda3ad22ad9e8863d55a5c88f85c0173f0
          Author: Michal Marek <mmarek@suse.cz>
          kconfig: Remove unnecessary prototypes from headers
      
      [9] commit de4619937229378e81f95e99c9866acc8e207d34
          Author: Masahiro Yamada <yamada.masahiro@socionext.com>
          kbuild: mergeconfig: fix "jobserver unavailable" warning
      
      [10] commit b9fe99c5b994c6ddc57780993966b18899526c0b
          Author: Masahiro Yamada <yamada.masahiro@socionext.com>
          kbuild: mergeconfig: move an error check to merge_config.sh
      
      [11] commit 371cfd4ff0611d8bc5d18bbb9cc6a2bc3d56cd3d
          Author: Masahiro Yamada <yamada.masahiro@socionext.com>
          kbuild: mergeconfig: remove redundant $(objtree)
      
      [12] commit 3a975b8cfcbe026b535f83bde9a3c009bae214f9
          Author: Masahiro Yamada <yamada.masahiro@socionext.com>
          merge_config.sh: improve indentation
      
      [13] commit bc8f8f5fc47cd02c2c5f3580dac2fe6695af1edd
          Author: Masahiro Yamada <yamada.masahiro@socionext.com>
          merge_config.sh: rename MAKE to RUNMAKE
      
      [14] commit 63a91033d52e64a22e571fe84924c0b7f21c280d
          Author: Masahiro Yamada <yamada.masahiro@socionext.com>
          kbuild: add generic mergeconfig target, %.config
      
      [15] commit 1cba0c305758c3c1786ecaceb03e142c95a4edc9
          Author: Michal Marek <mmarek@suse.cz>
          kconfig: Simplify Makefile
      
      [16] commit 0a1f00a1c86421cc07cec87011c7cf4df68ee54b
          Author: Michal Marek <mmarek@suse.cz>
          kconfig: Do not print status messages in make -s mode
      
      Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
      Signed-off-by: default avatarBjørn Forsman <bjorn.forsman@gmail.com>
      Signed-off-by: default avatarAndrey Utkin <andrey.krieger.utkin@gmail.com>
      Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
      Signed-off-by: default avatarArjun Sreedharan <arjun024@gmail.com>
      Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
      Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
      Signed-off-by: default avatarColin Ian King <colin.king@canonical.com>
      Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
      9b5f0b1d
      History
      kconfig: sync with Linux 4.1
      Masahiro Yamada authored
      
      Update the files under scripts/kconfig/ to match Linux 4.1.
      Some Kconfig sources have diverged from those in the kernel,
      so commit-base syncing was done not to lose U-Boot specific updates.
      
      The commits cherry-picked from Linux are:
      
      [1] commit be8af2d54a66911693eddc556e4f7a866670082b
          Author: Bjørn Forsman <bjorn.forsman@gmail.com>
          kconfig/lxdialog: get ncurses CFLAGS with pkg-config
      
      [2] commit 3943f42c11896ce82ad3da132c8a5630313bdd0e
          Author: Andrey Utkin <andrey.krieger.utkin@gmail.com>
          Replace mentions of "list_struct" to "list_head"
      
      [3] commit e4e458b45c5861808674eebfea94cee2258bb2ea
          Author: Arjun Sreedharan <arjun024@gmail.com>
          calloc/xcalloc: Fix argument order
      
      [4] commit 09950bc256e3628d275f90e016e6f5a039fbdcab
          Author: Olof Johansson <olof@lixom.net>
          merge_config.sh: Display usage if given too few arguments
      
      [5] commit b6a2ab2cd4739a9573ed41677e53171987b8da34
          Author: Colin Ian King <colin.king@canonical.com>
          kconfig: use va_end to match corresponding va_start
      
      [6] commit 70529b1a1784503169416df19ce3d68746401340
          Author: Michal Marek <mmarek@suse.cz>
          kconfig: Get rid of the P() macro in headers
      
      [7] commit 463157444e377bf9b279101b1f16a94c4648c03a
          Author: Michal Marek <mmarek@suse.cz>
          kconfig: Remove dead code
      
      [8] commit ad8d40cda3ad22ad9e8863d55a5c88f85c0173f0
          Author: Michal Marek <mmarek@suse.cz>
          kconfig: Remove unnecessary prototypes from headers
      
      [9] commit de4619937229378e81f95e99c9866acc8e207d34
          Author: Masahiro Yamada <yamada.masahiro@socionext.com>
          kbuild: mergeconfig: fix "jobserver unavailable" warning
      
      [10] commit b9fe99c5b994c6ddc57780993966b18899526c0b
          Author: Masahiro Yamada <yamada.masahiro@socionext.com>
          kbuild: mergeconfig: move an error check to merge_config.sh
      
      [11] commit 371cfd4ff0611d8bc5d18bbb9cc6a2bc3d56cd3d
          Author: Masahiro Yamada <yamada.masahiro@socionext.com>
          kbuild: mergeconfig: remove redundant $(objtree)
      
      [12] commit 3a975b8cfcbe026b535f83bde9a3c009bae214f9
          Author: Masahiro Yamada <yamada.masahiro@socionext.com>
          merge_config.sh: improve indentation
      
      [13] commit bc8f8f5fc47cd02c2c5f3580dac2fe6695af1edd
          Author: Masahiro Yamada <yamada.masahiro@socionext.com>
          merge_config.sh: rename MAKE to RUNMAKE
      
      [14] commit 63a91033d52e64a22e571fe84924c0b7f21c280d
          Author: Masahiro Yamada <yamada.masahiro@socionext.com>
          kbuild: add generic mergeconfig target, %.config
      
      [15] commit 1cba0c305758c3c1786ecaceb03e142c95a4edc9
          Author: Michal Marek <mmarek@suse.cz>
          kconfig: Simplify Makefile
      
      [16] commit 0a1f00a1c86421cc07cec87011c7cf4df68ee54b
          Author: Michal Marek <mmarek@suse.cz>
          kconfig: Do not print status messages in make -s mode
      
      Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
      Signed-off-by: default avatarBjørn Forsman <bjorn.forsman@gmail.com>
      Signed-off-by: default avatarAndrey Utkin <andrey.krieger.utkin@gmail.com>
      Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
      Signed-off-by: default avatarArjun Sreedharan <arjun024@gmail.com>
      Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
      Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
      Signed-off-by: default avatarColin Ian King <colin.king@canonical.com>
      Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
    util.c 2.91 KiB
    /*
     * Copyright (C) 2002-2005 Roman Zippel <zippel@linux-m68k.org>
     * Copyright (C) 2002-2005 Sam Ravnborg <sam@ravnborg.org>
     *
     * Released under the terms of the GNU GPL v2.0.
     */
    
    #include <stdarg.h>
    #include <stdlib.h>
    #include <string.h>
    #include "lkc.h"
    
    /* file already present in list? If not add it */
    struct file *file_lookup(const char *name)
    {
    	struct file *file;
    	const char *file_name = sym_expand_string_value(name);
    
    	for (file = file_list; file; file = file->next) {
    		if (!strcmp(name, file->name)) {
    			free((void *)file_name);
    			return file;
    		}
    	}
    
    	file = xmalloc(sizeof(*file));
    	memset(file, 0, sizeof(*file));
    	file->name = file_name;
    	file->next = file_list;
    	file_list = file;
    	return file;
    }
    
    /* write a dependency file as used by kbuild to track dependencies */
    int file_write_dep(const char *name)
    {
    	struct symbol *sym, *env_sym;
    	struct expr *e;
    	struct file *file;
    	FILE *out;
    
    	if (!name)
    		name = ".kconfig.d";
    	out = fopen("..config.tmp", "w");
    	if (!out)
    		return 1;
    	fprintf(out, "deps_config := \\\n");
    	for (file = file_list; file; file = file->next) {
    		if (file->next)
    			fprintf(out, "\t%s \\\n", file->name);
    		else
    			fprintf(out, "\t%s\n", file->name);
    	}
    	fprintf(out, "\n%s: \\\n"
    		     "\t$(deps_config)\n\n", conf_get_autoconfig_name());
    
    	expr_list_for_each_sym(sym_env_list, e, sym) {
    		struct property *prop;
    		const char *value;
    
    		prop = sym_get_env_prop(sym);
    		env_sym = prop_get_symbol(prop);
    		if (!env_sym)
    			continue;
    		value = getenv(env_sym->name);
    		if (!value)
    			value = "";
    		fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value);
    		fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name());
    		fprintf(out, "endif\n");
    	}
    
    	fprintf(out, "\n$(deps_config): ;\n");
    	fclose(out);
    	rename("..config.tmp", name);
    	return 0;
    }
    
    
    /* Allocate initial growable string */
    struct gstr str_new(void)
    {
    	struct gstr gs;
    	gs.s = xmalloc(sizeof(char) * 64);
    	gs.len = 64;
    	gs.max_width = 0;
    	strcpy(gs.s, "\0");
    	return gs;
    }
    
    /* Free storage for growable string */
    void str_free(struct gstr *gs)
    {
    	if (gs->s)
    		free(gs->s);
    	gs->s = NULL;
    	gs->len = 0;
    }
    
    /* Append to growable string */
    void str_append(struct gstr *gs, const char *s)
    {
    	size_t l;
    	if (s) {
    		l = strlen(gs->s) + strlen(s) + 1;
    		if (l > gs->len) {
    			gs->s   = realloc(gs->s, l);
    			gs->len = l;
    		}
    		strcat(gs->s, s);
    	}
    }
    
    /* Append printf formatted string to growable string */
    void str_printf(struct gstr *gs, const char *fmt, ...)
    {
    	va_list ap;
    	char s[10000]; /* big enough... */
    	va_start(ap, fmt);
    	vsnprintf(s, sizeof(s), fmt, ap);
    	str_append(gs, s);
    	va_end(ap);
    }
    
    /* Retrieve value of growable string */
    const char *str_get(struct gstr *gs)
    {
    	return gs->s;
    }
    
    void *xmalloc(size_t size)
    {
    	void *p = malloc(size);
    	if (p)
    		return p;
    	fprintf(stderr, "Out of memory.\n");
    	exit(1);
    }
    
    void *xcalloc(size_t nmemb, size_t size)
    {
    	void *p = calloc(nmemb, size);
    	if (p)
    		return p;
    	fprintf(stderr, "Out of memory.\n");
    	exit(1);
    }