diff options
Diffstat (limited to 'lex.c')
| -rw-r--r-- | lex.c | 14 |
1 files changed, 7 insertions, 7 deletions
@@ -170,10 +170,10 @@ int reg = 0; /* 1 => return a REGEXPR now */ int yylex(void) { int c; - static char *buf = 0; + static char *buf = NULL; static int bufsize = 5; /* BUG: setting this small causes core dump! */ - if (buf == 0 && (buf = (char *) malloc(bufsize)) == NULL) + if (buf == NULL && (buf = (char *) malloc(bufsize)) == NULL) FATAL( "out of space in yylex" ); if (sc) { sc = 0; @@ -358,10 +358,10 @@ int string(void) { int c, n; char *s, *bp; - static char *buf = 0; + static char *buf = NULL; static int bufsz = 500; - if (buf == 0 && (buf = (char *) malloc(bufsz)) == NULL) + if (buf == NULL && (buf = (char *) malloc(bufsz)) == NULL) FATAL("out of space for strings"); for (bp = buf; (c = input()) != '"'; ) { if (!adjbuf(&buf, &bufsz, bp-buf+2, 500, &bp, "string")) @@ -504,11 +504,11 @@ void startreg(void) /* next call to yylex will return a regular expression */ int regexpr(void) { int c; - static char *buf = 0; + static char *buf = NULL; static int bufsz = 500; char *bp; - if (buf == 0 && (buf = (char *) malloc(bufsz)) == NULL) + if (buf == NULL && (buf = (char *) malloc(bufsz)) == NULL) FATAL("out of space for rex expr"); bp = buf; for ( ; (c = input()) != '/' && c != 0; ) { @@ -539,7 +539,7 @@ char ebuf[300]; char *ep = ebuf; char yysbuf[100]; /* pushback buffer */ char *yysptr = yysbuf; -FILE *yyin = 0; +FILE *yyin = NULL; int input(void) /* get next lexical input character */ { |