diff options
| -rw-r--r-- | config.c | 59 |
1 files changed, 29 insertions, 30 deletions
@@ -10,8 +10,6 @@ #include "strbuf.h" #include "quote.h" -#define MAXNAME (256) - typedef struct config_file { struct config_file *prev; FILE *f; @@ -19,7 +17,7 @@ typedef struct config_file { int linenr; int eof; struct strbuf value; - char var[MAXNAME]; + struct strbuf var; } config_file; static config_file *cf; @@ -260,7 +258,7 @@ static inline int iskeychar(int c) return isalnum(c) || c == '-'; } -static int get_value(config_fn_t fn, void *data, char *name, unsigned int len) +static int get_value(config_fn_t fn, void *data, struct strbuf *name) { int c; char *value; @@ -272,11 +270,9 @@ static int get_value(config_fn_t fn, void *data, char *name, unsigned int len) break; if (!iskeychar(c)) break; - name[len++] = tolower(c); - if (len >= MAXNAME) - return -1; + strbuf_addch(name, tolower(c)); } - name[len] = 0; + while (c == ' ' || c == '\t') c = get_next_char(); @@ -288,10 +284,10 @@ static int get_value(config_fn_t fn, void *data, char *name, unsigned int len) if (!value) return -1; } - return fn(name, value, data); + return fn(name->buf, value, data); } -static int get_extended_base_var(char *name, int baselen, int c) +static int get_extended_base_var(struct strbuf *name, int c) { do { if (c == '\n') @@ -302,7 +298,7 @@ static int get_extended_base_var(char *name, int baselen, int c) /* We require the format to be '[base "extension"]' */ if (c != '"') return -1; - name[baselen++] = '.'; + strbuf_addch(name, '.'); for (;;) { int c = get_next_char(); @@ -315,37 +311,31 @@ static int get_extended_base_var(char *name, int baselen, int c) if (c == '\n') goto error_incomplete_line; } - name[baselen++] = c; - if (baselen > MAXNAME / 2) - return -1; + strbuf_addch(name, c); } /* Final ']' */ if (get_next_char() != ']') return -1; - return baselen; + return 0; error_incomplete_line: cf->linenr--; return -1; } -static int get_base_var(char *name) +static int get_base_var(struct strbuf *name) { - int baselen = 0; - for (;;) { int c = get_next_char(); if (cf->eof) return -1; if (c == ']') - return baselen; + return 0; if (isspace(c)) - return get_extended_base_var(name, baselen, c); + return get_extended_base_var(name, c); if (!iskeychar(c) && c != '.') return -1; - if (baselen > MAXNAME / 2) - return -1; - name[baselen++] = tolower(c); + strbuf_addch(name, tolower(c)); } } @@ -353,7 +343,7 @@ static int git_parse_file(config_fn_t fn, void *data) { int comment = 0; int baselen = 0; - char *var = cf->var; + struct strbuf *var = &cf->var; /* U+FEFF Byte Order Mark in UTF8 */ static const unsigned char *utf8_bom = (unsigned char *) "\xef\xbb\xbf"; @@ -389,17 +379,24 @@ static int git_parse_file(config_fn_t fn, void *data) continue; } if (c == '[') { - baselen = get_base_var(var); - if (baselen <= 0) + /* Reset prior to determining a new stem */ + strbuf_reset(var); + if (get_base_var(var) < 0 || var->len < 1) break; - var[baselen++] = '.'; - var[baselen] = 0; + strbuf_addch(var, '.'); + baselen = var->len; continue; } if (!isalpha(c)) break; - var[baselen] = tolower(c); - if (get_value(fn, data, var, baselen+1) < 0) + /* + * Truncate the var name back to the section header + * stem prior to grabbing the suffix part of the name + * and the value. + */ + strbuf_setlen(var, baselen); + strbuf_addch(var, tolower(c)); + if (get_value(fn, data, var) < 0) break; } die("bad config file line %d in %s", cf->linenr, cf->name); @@ -899,12 +896,14 @@ int git_config_from_file(config_fn_t fn, const char *filename, void *data) top.linenr = 1; top.eof = 0; strbuf_init(&top.value, 1024); + strbuf_init(&top.var, 1024); cf = ⊤ ret = git_parse_file(fn, data); /* pop config-file parsing state stack */ strbuf_release(&top.value); + strbuf_release(&top.var); cf = top.prev; fclose(f); |