summaryrefslogtreecommitdiff
path: root/rpmio/argv.c
blob: 64cfd64c2dc22ee9df3bb4a1d966cfc9ca3677e9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
/** \ingroup rpmio
 * \file rpmio/argv.c
 */

#include "system.h"

#include <argv.h>

#include "debug.h"

void argvPrint(const char * msg, ARGV_t argv, FILE * fp)
{
    ARGV_t av;

    if (fp == NULL) fp = stderr;

    if (msg)
	fprintf(fp, "===================================== %s\n", msg);

    if (argv)
    for (av = argv; *av; av++)
	fprintf(fp, "%s\n", *av);

}

ARGI_t argiFree(ARGI_t argi)
{
    if (argi) {
	argi->nvals = 0;
	argi->vals = _free(argi->vals);
    }
    argi = _free(argi);
    return NULL;
}

ARGV_t argvFree(ARGV_t argv)
{
    ARGV_t av;
    
    if (argv)
    for (av = argv; *av; av++)
	*av = _free(*av);
    argv = _free(argv);
    return NULL;
}

int argiCount(ARGI_t argi)
{
    int nvals = 0;
    if (argi)
	nvals = argi->nvals;
    return nvals;
}

ARGint_t argiData(const ARGI_t argi)
{
    ARGint_t vals = NULL;
    if (argi && argi->nvals > 0)
	vals = argi->vals;
    return vals;
}

int argvCount(const ARGV_t argv)
{
    int argc = 0;
    if (argv)
    while (argv[argc] != NULL)
	argc++;
    return argc;
}

ARGV_t argvData(const ARGV_t argv)
{
    return argv;
}

int argvCmp(const void * a, const void * b)
{
    ARGstr_t astr = *(ARGV_t)a;
    ARGstr_t bstr = *(ARGV_t)b;
    return strcmp(astr, bstr);
}

int argvSort(ARGV_t argv, int (*compar)(const void *, const void *))
{
    if (compar == NULL)
	compar = argvCmp;
    qsort(argv, argvCount(argv), sizeof(*argv), compar);
    return 0;
}

ARGV_t argvSearch(ARGV_t argv, ARGstr_t val,
		int (*compar)(const void *, const void *))
{
    if (argv == NULL)
	return NULL;
    if (compar == NULL)
	compar = argvCmp;
    return bsearch(&val, argv, argvCount(argv), sizeof(*argv), compar);
}

int argiAdd(ARGI_t * argip, int ix, int val)
{
    ARGI_t argi;

    if (argip == NULL)
	return -1;
    if (*argip == NULL)
	*argip = xcalloc(1, sizeof(**argip));
    argi = *argip;
    if (ix < 0)
	ix = argi->nvals;
    if (ix >= argi->nvals) {
	argi->vals = xrealloc(argi->vals, (ix + 1) * sizeof(*argi->vals));
	memset(argi->vals + argi->nvals, 0,
		(ix - argi->nvals) * sizeof(*argi->vals));
	argi->nvals = ix + 1;
    }
    argi->vals[ix] = val;
    return 0;
}

int argvAdd(ARGV_t * argvp, ARGstr_t val)
{
    ARGV_t argv;
    int argc;

    if (argvp == NULL)
	return -1;
    argc = argvCount(*argvp);
    *argvp = xrealloc(*argvp, (argc + 1 + 1) * sizeof(**argvp));
    argv = *argvp;
    argv[argc++] = xstrdup(val);
    argv[argc  ] = NULL;
    return 0;
}

int argvAppend(ARGV_t * argvp, const ARGV_t av)
{
    ARGV_t argv = *argvp;
    int argc = argvCount(argv);
    int ac = argvCount(av);
    int i;

    argv = xrealloc(argv, (argc + ac + 1) * sizeof(*argv));
    for (i = 0; i < ac; i++)
	argv[argc + i] = xstrdup(av[i]);
    argv[argc + ac] = NULL;
    *argvp = argv;
    return 0;
}

int argvSplit(ARGV_t * argvp, const char * str, const char * seps)
{
    char * dest = alloca(strlen(str) + 1);
    ARGV_t argv;
    int argc = 1;
    const char * s;
    char * t;
    int c;

    for (argc = 1, s = str, t = dest; (c = *s); s++, t++) {
	if (strchr(seps, c)) {
	    argc++;
	    c = '\0';
	}
	*t = c;
    }
    *t = '\0';

    argv = xmalloc( (argc + 1) * sizeof(*argv));

    for (c = 0, s = dest; s < t; s+= strlen(s) + 1) {
	if (*s == '\0')
	    continue;
	argv[c] = xstrdup(s);
	c++;
    }
    argv[c] = NULL;
    *argvp = argv;
    return 0;
}