41 |
long int convert_number(const char *nptr, BOOL warn) { |
long int convert_number(const char *nptr, BOOL warn) { |
42 |
|
|
43 |
char * endptr; |
char * endptr; |
44 |
|
long int number; |
45 |
|
|
46 |
errno = 0; |
errno = 0; |
47 |
long int number = strtol(nptr, &endptr, 10); |
number = strtol(nptr, &endptr, 10); |
48 |
|
|
49 |
/* invalid characters? */ |
/* invalid characters? */ |
50 |
if (*endptr != '\0') { |
if (*endptr != '\0') { |
51 |
char message[256]; |
char message[256]; |
52 |
snprintf(message, 255, "Could not convert '%s' to a valid (integer) number.", nptr); |
snprintf(message, 255, "Could not convert '%s' to a valid (integer) number.", nptr); |
53 |
|
errno=EINVAL; |
54 |
if(warn) |
if(warn) |
55 |
PRINTWARNING(message); |
PRINTWARNING(message); |
56 |
else{ |
else{ |
64 |
if (errno == ERANGE) { |
if (errno == ERANGE) { |
65 |
char message[256]; |
char message[256]; |
66 |
snprintf(message, 255, "Number is not in range of 'long int': %s", nptr); |
snprintf(message, 255, "Number is not in range of 'long int': %s", nptr); |
67 |
|
errno=EINVAL; |
68 |
if(warn) |
if(warn) |
69 |
PRINTWARNING(message); |
PRINTWARNING(message); |
70 |
else{ |
else{ |
100 |
/* try to open file for reading */ |
/* try to open file for reading */ |
101 |
FILE * fp = fopen(argv[1], "r"); |
FILE * fp = fopen(argv[1], "r"); |
102 |
err=errno; |
err=errno; |
103 |
|
errno=0; |
104 |
/* (1) test-single-number mode: first argument is not a filename */ |
/* (1) test-single-number mode: first argument is not a filename */ |
105 |
if (fp == NULL) { |
if (fp == NULL) { |
106 |
long int number = convert_number(argv[1],TRUE); |
long int number = convert_number(argv[1],TRUE); |
107 |
if(err){ |
if(errno){ |
108 |
fprintf(stderr, "%s: %s\n", argv[1], strerror(err)); |
fprintf(stderr, "%s: %s\n", argv[1], strerror(err)); |
109 |
return -1; |
return -1; |
110 |
} |
} |