Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/scripts/kconfig/util.c
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// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2002-2005 Roman Zippel <zippel@linux-m68k.org> * Copyright (C) 2002-2005 Sam Ravnborg <sam@ravnborg.org> */ #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; for (file = file_list; file; file = file->next) { if (!strcmp(name, file->name)) { return file; } } file = xmalloc(sizeof(*file)); memset(file, 0, sizeof(*file)); file->name = xstrdup(name); file->next = file_list; file_list = file; return file; } /* 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 = xrealloc(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); } void *xrealloc(void *p, size_t size) { p = realloc(p, size); if (p) return p; fprintf(stderr, "Out of memory.\n"); exit(1); } char *xstrdup(const char *s) { char *p; p = strdup(s); if (p) return p; fprintf(stderr, "Out of memory.\n"); exit(1); } char *xstrndup(const char *s, size_t n) { char *p; p = strndup(s, n); if (p) return p; fprintf(stderr, "Out of memory.\n"); exit(1); }
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