/* * 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 <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 = malloc(sizeof(*file)); memset(file, 0, sizeof(*file)); file->name = strdup(name); file->next = file_list; file_list = file; return file; } /* Allocate initial growable sting */ struct gstr str_new(void) { struct gstr gs; gs.s = malloc(sizeof(char) * 64); gs.len = 16; strcpy(gs.s, "\0"); return gs; } /* Allocate and assign growable string */ struct gstr str_assign(const char *s) { struct gstr gs; gs.s = strdup(s); gs.len = strlen(s) + 1; 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 = 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; }